Home / 8,394.21-11,584.32-4,809.84

Finding the Fourth Proportional to 8,394.21, 11,584.32 and 4,809.84

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Solution

The fourth proportional to 8,394.21, 11,584.32 and 4,809.84 is: 6,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.21 : 11,584.32 = 4,809.84 : x
  2. Step 2: Convert to fraction form
    8,394.21/11,584.32 = 4,809.84/x
  3. Step 3: Cross multiply
    8,394.21x = 11,584.32 × 4,809.84
  4. Step 4: Simplify right side
    8,394.21x = 55,718,725.71
  5. Step 5: Solve for x
    x = 55,718,725.71/8,394.21
  6. Step 6: Final answer
    x = 6,637.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.